Patents Assigned to Schuler Werkzeuge GmbH & Co.
  • Patent number: 5632172
    Abstract: A method and apparatus for shaping a sheet metal blank into a shaped outline is disclosed. The blank is clamped hydraulically between an upper tool and a lower tool with one of the tools having the shaped outline. Hydraulic pressure acts on a side of the sheet metal blank opposite the shaped outline to force the sheet metal blank into the shaped outline. The sheet metal blank, under the controlled action of the hydraulic pressure, is initially preformed to an extension of 10-15% of initial dimensions of the sheet metal blank and then, with continuing hydraulic pressure, the sheet metal blank is finally shaped by drawing without further extension until the sheet metal blank completely conforms to the shaped outline.
    Type: Grant
    Filed: September 19, 1995
    Date of Patent: May 27, 1997
    Assignees: SMG Suddeutsche Maschinenbau GmbH, Schuler Werkzeuge GmbH & Co.
    Inventor: Harald Kasmacher